Which of the Following Is the Equation Used for Computing $\frac { \operatorname { cov } ( X , Y ) } { s _ { x } s _ { y } }$

question 7

Multiple Choice

Which of the following is the equation used for computing the sample correlation coefficient?

• A) r_xy = cov(X,Y)(sxsy)
• B) r_xy = \(\frac { \operatorname { cov } ( X , Y ) } { s _ { x } s _ { y } }\)
• C) r_xy = \(\frac { \left( x _ { i } - \bar { x } \right) } { s _ { x } s _ { y } }\)
• D) r_xy = \(\sqrt { \frac { \left( x _ { i } - \bar { x } \right) } { s _ { x } - s _ { y } } }\)

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A system of power and domination that disadvantages a group through unjust treatment, discrimination, and inequality.

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